1) Size (diameter): 4, 13, 15, 25, 30, 33mmφ You can select it to fit sample volume.
2) Pore Size：0.2μm、0.45μm You can select it to fit particle size of HPLC column.
3) Membrane Type
4) Chemical Resistance
MEMBRANE TYPE CHARACTERISTICS
Cellulose Acetate (CA) Low protein binding, Biological fluid, Protein, Tissue culture media filtration
Mixed Cellulose Esters (MCE) High protein binding, Protein removal operation Polyethersulfone
(PES) Low drug and protein binding, Medicine manufacture, Pharmaceutical study Nylon
(NY) High protein binding, Filtration of special beverage
PTFE Hydrophilic Hydrophilic membrane with highest chemical resistance
PTFE Hydrophobic Hydrophobic membrane for organic solvents
PVDF Hydrophilic Hydrophilic membrane with the broadest utility
Regenerated Cellulose (RC) It’s the only one filter resistant to THF (Tetrahydrofuran).
For filtration of medium volumes, cell culture media and HPLC solutions.
Complete 500 ml units with tubing nozzle for attaching to bottles (bottle-top)
Connection seals on any standard bottles 33 to 45 mm
Membrane diameter 76 mm, filter area 39.2 cm2
ZapCap-S with included glass fiber prefilter for high flow rates
ZapCap-S Plus with integral glass fiber prefilter for very high flow rates
ZapCap-CR, the chemical-resistant bottle-top filter
Can be used up to 50ºC
ZapCap-S - Filtration of cell culture media
ZapCap-S Plus - Sterile filtration and clarification of difficult-to-filter aqueous solutions
ZapCap-CR - Filtration of HPLC solutions
1. Polyamide membrane filters (NYL) for filtering down to 0.2 µm in HPLC/FPLC solutions when the column packing is 10 μm
2. PTFE membrane filters for filtering down to 0.45 µm in organic solutions; strong acids or aldehydes